State the Domain and Range of the Function $$f ( x ) = 2 ^ { - x } + 2$$

question 25

Multiple Choice

State the domain and range of the function.
- $$f ( x ) = 2 ^ { - x } + 2$$

• A) domain: \(( - \infty , \infty ) \cup ( - \infty , \infty )\); range: \(( - \infty , 2 )\)
• B) domain: \(( - \infty , \infty )\); range: \(( - \infty , 2 )\)
• C) domain: \(( - \infty , \infty )\); range: \(( - \infty , 2 ]\)
• D) domain: \(( - \infty , \infty )\); range: \(( 2 , \infty )\)

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